CN105785205A - Three-phase unbalanced load on-line monitoring system and device - Google Patents
Three-phase unbalanced load on-line monitoring system and device Download PDFInfo
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- CN105785205A CN105785205A CN201610325616.5A CN201610325616A CN105785205A CN 105785205 A CN105785205 A CN 105785205A CN 201610325616 A CN201610325616 A CN 201610325616A CN 105785205 A CN105785205 A CN 105785205A
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- load
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a three-phase unbalanced load on-line monitoring system and a device which are applied in three-phase lines providing power supply to electric devices. The system comprises multiple sensing units and multiple transmission units, wherein the sensing units are arranged at the three-phase lines and are used for measuring the dynamic current or voltage of each three-phase line, and the transmission units are used for connecting the multiple sensing units and sending the dynamic current or voltage information of the three-phase lines. The device comprises a sensing module and a transmission module, wherein the sensing module is used for measuring the dynamic current or voltage of the three-phase lines, and the transmission module is used for sending the dynamic current or voltage information of the three-phase lines. According to the invention, the dynamic current or voltage information of the three-phase unbalanced load is monitored on line through the internet of things platform, and the load unbalance degree can be timely determined; the system and device can be used for guiding energy saving and electricity using safety; huge workload of worker inspection tour is reduced.
Description
Technical field
The present invention relates to power supply unit field, particularly relate to three-phase imbalance load on-line monitoring system and device.
Background technology
Power supply unit provides power supply by triple line (A phase, B phase, C phase) to load, and the voltage between phases between A phase, B phase, C phase line is generally 380V power current, outwards transmits through transformator after flowing out from Utilities Electric Co..Ideally, it is desirable to the load of triple line is in a basic balance, the electric current flowing through each phase line is preferably equal.But, under reality, the working situation that triple line accesses is not quite similar, and causes that the load of triple line is seriously uneven, and now, transformator can lower efficiency due to load inequality, and the accidents such as burning occur because of overload in serious meeting.
In order to avoid problems occurs, existing solution is that the personnel of arranging work often patrol and examine, and checks whether there is potential safety hazard.But, this type of method needs to arrange for a large amount of manpower and materials and completes, and is also easy to cause adverse consequences due to human operational error.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide three-phase imbalance load on-line monitoring system and device, is used for solving manual inspection in prior art and checks that threephase load imbalance degree efficiency is low, high in cost of production problem.
For achieving the above object and other relevant purposes, the present invention provides a kind of three-phase imbalance load on-line monitoring system, it is applied to provide the triple line of power supply to electrical equipment, described system includes: multiple sensing units, it is respectively arranged at each described triple line, for measuring dynamic current or the voltage of each described triple line；Multiple transmission units, connect the plurality of sensing unit, for sending dynamic current or the information of voltage of each described triple line.
In one embodiment of the invention, described three-phase imbalance load on-line monitoring system also includes: service terminal, communicate to connect the plurality of transmission unit, judge the unbalanced degree of threephase load for the dynamic current according to each described triple line received or information of voltage.
In one embodiment of the invention, the unbalanced degree of described threephase load includes: interval with multiple degree that the numerical range of multiple default unbalance factors is constituted.
In one embodiment of the invention, described three-phase imbalance load on-line monitoring system also includes: at least one mobile terminal bound in advance with described service terminal, for receiving the judged result of the described threephase load imbalance degree from described service terminal.
In one embodiment of the invention, described three-phase imbalance load on-line monitoring system also includes: multiple alarm units, the plurality of transmission unit of corresponding connection, for sending corresponding alarm according to the judged result of the described threephase load imbalance degree from described service terminal.
For achieving the above object and other relevant purposes, the present invention provides a kind of three-phase imbalance load on-Line Monitor Device, it is applied to three-phase imbalance load on-line monitoring system as above, including: sensing module, for measuring dynamic current or the voltage of each described triple line；Transport module, for sending dynamic current or the information of voltage of each described triple line.
In one embodiment of the invention, when described three-phase imbalance load on-line monitoring system also includes service terminal, described device also includes: processing module, judges the unbalanced degree of threephase load for the dynamic current according to each described triple line received or information of voltage.
In one embodiment of the invention, the unbalanced degree of described threephase load includes: interval with multiple degree that the numerical range of multiple default unbalance factors is constituted.
In one embodiment of the invention, when described three-phase imbalance load on-line monitoring system also includes at least one mobile terminal bound in advance with described service terminal, described processing module is additionally operable to: send the judged result of described threephase load imbalance degree at least one mobile terminal described.
In one embodiment of the invention, when described three-phase imbalance load on-line monitoring system also includes at least one alarm unit, described processing module is additionally operable to: send corresponding alarm according to the judged result of the described threephase load imbalance degree from described service terminal.
As mentioned above, the three-phase imbalance load on-line monitoring system of the present invention and device, by the information of each monitoring point of platform of internet of things on-line monitoring electrical equipment, judge laod unbalance degree in time, for instructing energy-conservation and safety utilization of electric power, decrease the huge workload of manual inspection.
Accompanying drawing explanation
Fig. 1 is shown as the three-phase imbalance load on-line monitoring system schematic diagram of one embodiment of the invention.
Fig. 2 is shown as the three-phase imbalance load on-line monitoring system schematic diagram of one embodiment of the present invention.
Fig. 3 is shown as the three-phase imbalance load on-Line Monitor Device module map of one embodiment of the present invention.
Element numbers explanation
1 three-phase imbalance load on-line monitoring system
101 sensing units
102 transmission units
103 service terminals
104 mobile terminals
105 alarm units
3 three-phase imbalance load on-Line Monitor Device
301 sensing modules
302 transport modules
303 processing modules
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention being described, those skilled in the art the content disclosed by this specification can understand other advantages and effect of the present invention easily.The present invention can also be carried out by additionally different detailed description of the invention or apply, and the every details in this specification based on different viewpoints and application, can also carry out various modification or change under the spirit without departing from the present invention.It should be noted that, when not conflicting, following example and the feature in embodiment can be mutually combined.
It should be noted that, the diagram provided in following example only illustrates the basic conception of the present invention in a schematic way, then assembly that in graphic, only display is relevant with the present invention but not component count when implementing according to reality, shape and size drafting, during its actual enforcement, the kenel of each assembly, quantity and ratio can be a kind of random change, and its assembly layout kenel is likely to increasingly complex.
The present invention by arranging the device such as sensing unit, transmission unit in triple line, and with communication connection service terminal constituent networked platforms, thus realizing the on-line monitoring of threephase load imbalance degree, avoid that manual inspection efficiency is low, high in cost of production problem, the most important thing is, can effectively find potential risk, improve the safety coefficient of factory.
Referring to Fig. 1, the present embodiment provides a kind of three-phase imbalance load on-line monitoring system 1, for on-line monitoring A phase, B phase, the dynamic current of C phase line or the situation of voltage and be sent out, including: multiple sensing units 101 and multiple transmission unit 102.
It should be noted that have at least a sensing unit 101 in A phase, B phase, C phase line respectively, for measuring dynamic current or the voltage of each described triple line, this sensing unit 101 can be current sensor, voltage sensor etc..Owing to the circuit of triple line is generally longer, it is also possible to arranging sensing unit 101 according to certain distance interval in each phase line thus obtaining multiple sampled value, improving sample effect.Multiple transmission units 102 are corresponding connects the plurality of sensing unit 101, for being sent out dynamic current or the information of voltage of each described triple line.Sensing unit 102 can be wireless WIFI module or GPRS module etc., and in addition, several sensing units 101 can also share a transmission unit 102, specifically can be set according to the performance parameters of transmission unit 102.
In another embodiment, described three-phase imbalance load on-line monitoring system 1 also includes: service terminal 103, such as: server, cloud server etc., it is connected by network with each transmission unit 102, it is able to receive that dynamic current or the information of voltage of each described triple line, and judges the unbalanced degree of threephase load according to this.Preferably, the unbalanced degree of described threephase load includes: interval with multiple degree that the numerical range of multiple default unbalance factors is constituted, such as: unbalance factor between 2%～4% be " load is unreasonable ", unbalance factor between 4%～10% for " precarious position ", unbalance factor between 10%～20% for degree such as " seriously uneven ", the concrete numerical range presetting unbalance factor can be set according to the relevant criterion of industry or experience.
In another embodiment, described three-phase imbalance load on-line monitoring system 1 also includes at least one mobile terminal 104 bound in advance with described service terminal 103, for receiving the judged result of the described threephase load imbalance degree from described service terminal 103.Mobile terminal 104 is preferably and three phase supply the work smart mobile phone of the relevant personnel, panel computer, portable computer etc., when receiving the judged result of described threephase load imbalance degree, it is possible to prompting staff goes to scene to carry out checking to take corresponding measure.
Fig. 2 shows the three-phase imbalance load on-line monitoring system schematic diagram of one embodiment of the present invention, described three-phase imbalance load on-line monitoring system 1 also includes: multiple alarm units 105, the plurality of transmission unit 102 of corresponding connection, for sending corresponding alarm according to the judged result of the described threephase load imbalance degree from described service terminal 103.Described alarm unit 105 can carry out alarm by the mode such as sound, luminescence, is not developed in details at this.
Similar to above-described embodiment principle, the present invention provides a kind of three-phase imbalance load on-Line Monitor Device 3, as a set of software application in three-phase imbalance load on-line monitoring system 1 as above, including: sensing module 301, transport module 302.Sensing module 301 measures dynamic current or the voltage of each described triple line, and transport module 302 sends dynamic current or the information of voltage of each described triple line.Owing to the technical characteristic in previous embodiment can also be applied to this device embodiment, thus it is no longer repeated.
Refer to Fig. 3, when described three-phase imbalance load on-line monitoring system 1 also includes service terminal 103, described device 3 also includes: processing module 303, judges the unbalanced degree of threephase load for the dynamic current according to each described triple line received or information of voltage.Preferably, the unbalanced degree of described threephase load includes: interval with multiple degree that the numerical range of multiple default unbalance factors is constituted；When described three-phase imbalance load on-line monitoring system 1 also includes at least one mobile terminal 104 bound in advance with described service terminal 103, described processing module 303 is additionally operable to: send the judged result of described threephase load imbalance degree at least one mobile terminal 104 described；When described three-phase imbalance load on-line monitoring system 1 also includes at least one alarm unit 105, described processing module 303 is additionally operable to: send corresponding alarm according to the judged result of the described threephase load imbalance degree from described service terminal 103.
In sum, the three-phase imbalance load on-line monitoring system of the present invention and device, solve and prior art manually being checked, threephase load imbalance degree efficiency is low, high in cost of production problem, effectively overcome various shortcoming of the prior art and have high industrial utilization.
Above-described embodiment is illustrative principles of the invention and effect thereof only, not for the restriction present invention.Above-described embodiment all under the spirit and category of the present invention, can be modified or change by any those skilled in the art.Therefore, art has usually intellectual such as modifying without departing from all equivalences completed under disclosed spirit and technological thought or change, must be contained by the claim of the present invention.
Claims (10)
1. a three-phase imbalance load on-line monitoring system, it is characterised in that being applied to provide the triple line of power supply to electrical equipment, described system includes:
Multiple sensing units, are respectively arranged at each described triple line, for measuring dynamic current or the voltage of each described triple line；
Multiple transmission units, connect the plurality of sensing unit, for sending dynamic current or the information of voltage of each described triple line.
2. three-phase imbalance load on-line monitoring system according to claim 1, it is characterized in that, also include: service terminal, communicate to connect the plurality of transmission unit, judge the unbalanced degree of threephase load for the dynamic current according to each described triple line received or information of voltage.
3. three-phase imbalance load on-line monitoring system according to claim 2, it is characterised in that the unbalanced degree of described threephase load includes: interval with multiple degree that the numerical range of multiple default unbalance factors is constituted.
4. three-phase imbalance load on-line monitoring system according to claim 2, it is characterized in that, also include: at least one mobile terminal bound in advance with described service terminal, for receiving the judged result of the described threephase load imbalance degree from described service terminal.
5. three-phase imbalance load on-line monitoring system according to claim 2, it is characterized in that, also include: multiple alarm units, the plurality of transmission unit of corresponding connection, for sending corresponding alarm according to the judged result of the described threephase load imbalance degree from described service terminal.
6. a three-phase imbalance load on-Line Monitor Device, it is characterised in that be applied to such as the three-phase imbalance load on-line monitoring system as described in arbitrary in claim 1 to 5, including:
Sensing module, for measuring dynamic current or the voltage of each described triple line；
Transport module, for sending dynamic current or the information of voltage of each described triple line.
7. three-phase imbalance load on-Line Monitor Device according to claim 6, it is characterized in that, when described three-phase imbalance load on-line monitoring system also includes service terminal, described device also includes: processing module, judges the unbalanced degree of threephase load for the dynamic current according to each described triple line received or information of voltage.
8. three-phase imbalance load on-Line Monitor Device according to claim 7, it is characterised in that the unbalanced degree of described threephase load includes: interval with multiple degree that the numerical range of multiple default unbalance factors is constituted.
9. three-phase imbalance load on-Line Monitor Device according to claim 7, it is characterized in that, when described three-phase imbalance load on-line monitoring system also includes at least one mobile terminal bound in advance with described service terminal, described processing module is additionally operable to: send the judged result of described threephase load imbalance degree at least one mobile terminal described.
10. three-phase imbalance load on-Line Monitor Device according to claim 7, it is characterized in that, when described three-phase imbalance load on-line monitoring system also includes at least one alarm unit, described processing module is additionally operable to: send corresponding alarm according to the judged result of the described threephase load imbalance degree from described service terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610325616.5A CN105785205A (en) | 2016-05-16 | 2016-05-16 | Three-phase unbalanced load on-line monitoring system and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610325616.5A CN105785205A (en) | 2016-05-16 | 2016-05-16 | Three-phase unbalanced load on-line monitoring system and device |
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| CN105785205A true CN105785205A (en) | 2016-07-20 |
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| CN201610325616.5A Pending CN105785205A (en) | 2016-05-16 | 2016-05-16 | Three-phase unbalanced load on-line monitoring system and device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533472Y (en) * | 2001-12-14 | 2003-01-29 | 艾默生网络能源有限公司 | AC three-phase voltage monitor |
| CN101055283A (en) * | 2007-04-30 | 2007-10-17 | 淄博卓尔电器有限公司 | Three-range current recording and balance analysis method and device |
| CN203011994U (en) * | 2012-12-26 | 2013-06-19 | 申雅密封件有限公司 | Three-phase load current detection device |
| CN103823126A (en) * | 2014-03-04 | 2014-05-28 | 中国神华能源股份有限公司 | Method and system for monitoring three-phase current unbalance |
| CN103995214A (en) * | 2014-04-15 | 2014-08-20 | 刘骐畅 | Overhead line intelligent fault positioning processing system and method thereof |
| CN104459447A (en) * | 2014-12-23 | 2015-03-25 | 国网浙江诸暨市供电公司 | Intelligent multifunctional cable line fault online monitoring system |
| CN204613312U (en) * | 2015-06-03 | 2015-09-02 | 国网山东无棣县供电公司 | A kind of three-phase load unbalance warning device |
-
2016
- 2016-05-16 CN CN201610325616.5A patent/CN105785205A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2533472Y (en) * | 2001-12-14 | 2003-01-29 | 艾默生网络能源有限公司 | AC three-phase voltage monitor |
| CN101055283A (en) * | 2007-04-30 | 2007-10-17 | 淄博卓尔电器有限公司 | Three-range current recording and balance analysis method and device |
| CN203011994U (en) * | 2012-12-26 | 2013-06-19 | 申雅密封件有限公司 | Three-phase load current detection device |
| CN103823126A (en) * | 2014-03-04 | 2014-05-28 | 中国神华能源股份有限公司 | Method and system for monitoring three-phase current unbalance |
| CN103995214A (en) * | 2014-04-15 | 2014-08-20 | 刘骐畅 | Overhead line intelligent fault positioning processing system and method thereof |
| CN104459447A (en) * | 2014-12-23 | 2015-03-25 | 国网浙江诸暨市供电公司 | Intelligent multifunctional cable line fault online monitoring system |
| CN204613312U (en) * | 2015-06-03 | 2015-09-02 | 国网山东无棣县供电公司 | A kind of three-phase load unbalance warning device |
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Address after: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Applicant after: Shanghai Ou Yi Energy Technology Co., Ltd. Address before: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Applicant before: Shanghai Ouyi Intelligent Network Co., Ltd. |
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Effective date of registration: 20170111 Address after: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Applicant after: Shanghai Ou Yi Energy Technology Co., Ltd. Applicant after: State Grid Shanghai Municipal Electric Power Company Address before: 200072 room 901-4, No. 912 new road, Zhabei District, Shanghai Applicant before: Shanghai Ou Yi Energy Technology Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160720 |
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| RJ01 | Rejection of invention patent application after publication |